Home / 175,976.85-263,965.27-81,178.98

Finding the Fourth Proportional to 175,976.85, 263,965.27 and 81,178.98

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Solution

The fourth proportional to 175,976.85, 263,965.27 and 81,178.98 is: 121,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,976.85 : 263,965.27 = 81,178.98 : x
  2. Step 2: Convert to fraction form
    175,976.85/263,965.27 = 81,178.98/x
  3. Step 3: Cross multiply
    175,976.85x = 263,965.27 × 81,178.98
  4. Step 4: Simplify right side
    175,976.85x = 21,428,431,374.02
  5. Step 5: Solve for x
    x = 21,428,431,374.02/175,976.85
  6. Step 6: Final answer
    x = 121,768.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.